Tutorial Topics
What are classes and objects in java.
Java Introduction (Basic Concept) - Java
4864    Arnab De    20/05/2017

Java Introduction

Java is a widely used object oriented language. It used in 3 billion devices. Specially now a days all the mobile app are created by java. Java is introduce by Sun Mirosystem in the year 1991. A small team of sun microsystem called Green Team launch the project called java. The team members are James Gosling, Mike Sheridan, and Patrick Naughton.

What is Java?

Def :Java is a general purpose, high label object oriented programming language.

Three Edition of Java

  • J2SE : Java 2 Standard Edition: J2SE generally used for desktop application or standalone application. We can create CUI or GUI application.
  • J2EE : Java 2 Enterprise Edition: This edition used for web application as well as the enterprise application
  •  J2ME : Java 2 Mobile Edition: This edition used for mobile application

Compiling Procedure Of java

As other computer languages, java codes also need to transform into the machine level language. But java used both compiler and interpreter as a translator.

In the first step java code compiled by javac compiler and creates a platform independent byte code.  After then this byte code interpret using the JVM (Java Virtual Machine) and produce a executable code.

Java Compiling Method
Java Compiling Method

Basic Java Program

Basic Java Program Basic Java Program
Basic Java Program
Basic Java Program

Output : Tutorial At Home


Java Used In

According to Sun Microsystem, today at least 3 billion devices run java. There are many devices where java is currently used. Some of them are as follows:

  • Desktop Applications such as acrobat reader, media player, antivirus etc.
  • Web Applications
  • Enterprise Applications such as banking applications.
  • Mobile
  • Embedded System
  • Smart Card
  • Robotics
  • Games etc.
What are classes and objects in java.
Author Details
Arnab De
I have over 16 years of experience working as an IT professional, ranging from teaching at my own institute to being a computer faculty at different leading institute across Kolkata. I also work as a web developer and designer, having worked for renowned companies and brand. Through tutorialathome, I wish to share my years of knowledge with the readers.
Enter New Comment
Comment History
No Comment Found Yet.
Sri Sri Ramakrishna Paramahamsa
As long as I live, so long do I learn
Sri Sri Ramakrishna Paramahamsa
Today So Far
Total View (Lakh)
26/05/2018     42032
01/01/2018     36003
28/06/2017     34089
25/06/2018     33447
02/08/2017     32401
01/08/2017     26866
06/07/2017     26791
15/05/2017     26418
14/07/2017     21855
21/04/2018     20717